Biology High School

Dinosaur footprints are original remains.


Please select the best answer from the choices provided

T
F

Answers

Answer 1
this is false they are not original remains.
Answer 2

The answer is false.



Related Questions

one way organisms interact is through competition what do organisms compete for

Answers

Food. Habitat. Anything to keep them alive, basically.
Organisms compete for food, water, territory, and dominance.

Why do the sun and moon appear to be the same size when viewed from earth?

Answers

because they are far from earth look like a small stone on the sky

1.Compare the natural greenhouse effect with the human-induced process.


2.What are the greenhouse gases? Which one is the biggest concern?


3.What are scientists doing to collect data?


4.What role does the carbon cycle play in this problem?


5.What are the political and economic factors that complicate this problem?


6.Why is the study of global warming so scientifically complicated?


7.Are there skeptics of global warming? What are their arguments?

Answers

1. The greenhouse effect is useful. Without it we would all freeze to death on an earth with no atmosphere. Research has shown that the level of greenhouse gases in the air drop and rise as a natural cycle. However, human induced activities has made the amount of gg in the atmosphere rise to an natural amount. This is due to: cars, the industrial revolution in 19th century etc. 

2. Water vapour, carbon dioxide, methane, nitrous oxide and ozone which occurs naturally. CO2 is the one which is currently the biggest concern as it is increasing the most. 
3. Scientist melt ice containing bubbles of air from millions of years ago and compare it with today to see this is natural. 

4. We cut down trees which photosynthesise and is the only process to remove CO2 from the air. 

5. It is not always economically viable for the government to issue a clean air act which could help reduce problems. They are unwilling to spend money. 

6. Global warming happens naturally as well as global cooling so scientists are not sure if it is us or not. 

7. Yes there are. They say that our activities can't possibly be contributing to global warming that much, though it has been suggested that something like this caused extinction of dinosaurs years ago.

Which does not affect the quality or pattern of cloth as it is woven on a loom?
speed of weaving
type of thread used
how the loom is threaded

Answers

I think the answer is how the loom is threaded.
Im sorry but the correct answer here is the first option: Speed of weaving because the question is which does NOT affect. How the loom is threated and the type of thread used are important factors. The speed is not 

What is the correct order for respiration?

A. Krebs cycle, electron transport chain, glycolysis
B. Glycolysis, electron transport chain, Krebs cycle
C. Glycolysis, Krebs cycle, electron transport chain
D. Krebs cycle, glycolysis, electron transport chain

Answers

Answer:

Its  C :)

Explanation:

The correct order of cellular respiration is Glycolysis > Krebs cycle > electron transport chain, hence option C is correct.

What is cellular respiration?

It is the cellular process through which cells get oxygen inside it and release carbon dioxide outside of it.

Cellular respiration is the metabolic process that starts with the degradation of metabolic products and ends with the complete oxidation of these products.

Glucose is oxidized via glycolysis and produces pyruvate as an end product of glycolysis, this pyruvate is further oxidized into the Krebs cycle and releases electrons for the synthesis of ATP.

Therefore, for correct order of cellular respiration inside the cell option C, Glycolysis, Krebs cycle, electron transport chain is correct.

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Please help me.. My question is about Science.( The skeletal system) the question is: A thick band of bone forms around a broken bone as it heals. In time, the thickened band disappears. Explain how this extra bone can disappear over time. -- PLEASE HELP ME!!1 ...?

Answers

This extra bone can disappear over time because of a bone cell called an osteoclast which breaks down bone tissue.

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Which of the following blood vessels uses elasticity to push blood further along the bloodstream?

Arteries
Capillaries
Varicose veins
Atrioventricular node

Answers

The answer is Arteries 

Arteries carry oxygen-rich blood from the heart to capillaries. On the contrary, veins carry blood without oxygen from the capillaries to the heart. 
Arteries are very flexible and yet strong blood vessels so that efficient transport of oxygen-rich blood along the bloodstream through the organism is enabled.

Answer:

The answer is A. Arteries

Explanation:

Is blood sugar regulated by positive or negative feedback?

Answers

Blood Sugar regulates by negative feedback in order to keep the body in Homeostasis. 

What might happen to the cell if the cell membrane stopped working?

Answers

 If the cell membrane would stop working, then there wouldbe no diffusion of the water inside

There are many methods used to obtain energy for use in our daily lives. Some of these methods have possible environmental consequences to rivers, groundwater, and organisms. One type of pollution involves excess carbon dioxide being released into the air. Some of the carbon dioxide reacts with water to form acid rain. Which energy sources can release carbon dioxide and carbon monoxide waste into the atmosphere?

Answers

Answer: Coal,petroleum

Explanation:

he process that we call "burning" actually is chemical reactions with oxygen in the air. For the most part, the carbon combines with oxygen to form carbon dioxide (CO2), and the hydrogen combines with oxygen to form water vapor (H20).

Some  of the carbon dioxide reacts with water to form acid rain, and the energy sources can release carbon dioxide and carbon monoxide waste into the atmosphere through the burning of fossil fuels, coal, oil, etc.

What is the significance of burning fossil fuels?

Carbon dioxide, which is also considered a "greenhouse gas," and other greenhouse gases in the atmosphere trap heat from the sun but never let the heat pass through the earth's atmosphere and make the earth hot. This is caused by the combustion of fossil fuels and causes air pollution, which can be harmful to human health and the earth.

Hence, some of the carbon dioxide reacts with water to form acid rain, and the energy sources can release carbon dioxide and carbon monoxide waste into the atmosphere through the burning of fossil fuels, coal, oil, etc.

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some snake venoms are harmful because they contain enzymes that destroy blood cells or tissues. the damage cause by such a snakebite could best slowed by

Answers

I don't know can slow then bite down but I do know that having too much to drink on Alcohol slows down your reaction because when the acetylcholine gets released into the synapse the alcohol has already blocked the little claw things (forgot what there called), so it slows down the reaction.
I tried to type it all, but there's too much to type quickly, so
www.auroville.org/contents/1675

How to understand the difference from active transport and passive transport?

Answers

Active transport needs to actively acquire energy to occur, while passive transport happens on its own without energy.

Some studies have indicated that our eyes naturally travel from bottom left to top right, so putting the diagonal along that path can take advantage of our eye patterns.


True ort False?

Answers

This is true

If you put the diagonal along that path, this will help the photography form seeming split to people. You can also use it to exploit it and make people focus on other parts of the photo by making their pattern go differently while seeming as if it is going regularly.

Answer:

True

Explanation:

I just got 100% on this quiz

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What is the main source of energy that drives the water cycle?

Answers

The sun is the main source of energy.
Final answer:

The sun is the primary source of energy that drives the water cycle. It provides the heat necessary for evaporation, the initial phase of the water cycle, and influences all subsequent stages of the cycle including condensation, precipitation, and surface runoff.

Explanation:

The main source of energy that drives the water cycle is the Sun. The sun's energy warms the oceans and other surface waters, which leads to the evaporation or sublimation of liquid or frozen water into the atmosphere. This water vapor then condenses into clouds, leading to precipitation that brings the water back to Earth's surface again, completing the water cycle.

Evaporation and sublimation are critical first steps in the water cycle. These processes involve the transformation of liquid water or ice into water vapor due to the Sun’s heat.

The water, now in a gaseous state, ascends into the atmosphere where it eventually condenses to form clouds due to lower temperatures at higher altitudes. This is referred to as condensation and it's often followed by precipitation, the process where water is returned to the Earth’s surface as rain, sleet, hail, or snow.

Upon reaching the surface, the water can take several paths. It can flow on the surface, leading to surface runoff, or it can seep into the soil contributing to subsurface water flow. Some of the water ends up in rivers and streams, referred to as streamflow, and eventually makes its way back to the ocean again, completing the cycle.

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What two components are often found as part of an enzyme?

Answers

Two components that are very common and often found are:
1. Simple Enzymes which are called like this cause usually are composed of proteins. It is peptide bonds that linked the amino acids 
2. Conjugated Enzymes. They have two parts. The protein and non protein portion.
Hope this helps you greatly

Biologists have separated Monera into two kingdoms according to the differences between the two groups. In which classification does this separation occur?
A) Two kingdom clasification
B) five kingdom classification
C) Six kingdom classification

Answers

The answer is C) Six kingdom classification

6 kingdoms are:
- Archaea
- Eubacteria
- Protists
- Fungi
- Plants
- Animals

According to the previous classification, there were 5 kingdoms:
- Monera
- Protists
- Fungi
- Plants
- Animals

As can be concluded, in the 5-kingdom classification, Monera was the kingdom, but in the 6-kingdom classification, it was divided into 2 kingdoms: Archaea and Eubacteria.

Which of the following contain the genetic code?

1)carbohydrates
2)lipids
3)nucleic acids
4)proteins

Answers

3) Nucleic acid contains the genetic code.

Hope this helps!

Nucleic acids are the carriers of the genetic code. The molecules that carry and transmit genetic information in living things are called nucleic acids, specifically the deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) families. Therefore, the correct option is C.

The fundamental genetic material, DNA, is located in the nucleus of cells, while RNA is involved in gene expression and protein synthesis. Sequences of nucleotides, the constituent parts of nucleic acids, contain the genetic code. Proteins, lipids, and carbohydrates all play important roles in many cellular processes and functions within an organism, but none of them directly contain the genetic code.

Therefore, the correct option is C.

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The large intestine absorbs most of the ________ from the food and some vitamins and minerals.

Answers

The large intestine absorbs most of the nutrients from the food and some vitamins and minerals.

Hope this helps! ^-^

water im [pretty sure because when i answered nutrients it was wrong

In a population, when the birthrate becomes higher than the death rate, the population’s growth rate

A) decreases.

B) increases.

C) slows to a stop.

D) levels off and remains constant.

Answers

Answer:

B) increases

Explanation:

Answer:

B) increases.

Explanation:

When births outnumber deaths, a population increases in size.

What is the endosymbiotic theory? (Cells)

Answers

The endosymbiosis theory explains how eukaryotic cells may have evolved from prokaryotic cells. Symbiosis is a close relationship between two different organisms.Later, a host cell engulfed a prokaryotic cell capable of photosynthesis. This is where the chloroplast and other plastids originated.

based on their molecular formulas, witch are not carbohydrates? a.c3h8o3, b.c10h18o9,c.c18h32o16, d.c4h8o2, e,c16h32o2, f
.c6h12o6

Answers

Its C6H12O2 because its a 1:2:1 ratio


Final answer:

Compounds c16h32o2 and c4h8o2 are not carbohydrates as they do not conform to the general molecular formula for carbohydrates, which is Cn(H2O)n where the ratio of Carbon to Hydrogen to Oxygen is 1:2:1.

Explanation:

The general formula for carbohydrates is Cn(H2O)n. It translates to the ratio of Carbon to Hydrogen to Oxygen is in the ratio 1:2:1. From the options: a.c3h8o3, b.c10h18o9,c.c18h32o16, d.c4h8o2, e.c16h32o2, and f.c6h12o6, Compound e (c16h32o2) and Compound d (c4h8o2) do not fit into this ratio and hence are not carbohydrates.

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When bacterial cells participate in conjugation, the bridge between the cells through which dna passes is

Answers

that bridge is called "pilus" provided by F+ bacteria.

The section of the cell membrane illustrates one method of cellular transport. Consider steps A, B and C. What transport mechanism is represented by the model?

Answers

The model attached represents facilitated transport, which is answer choice D. In the model, there are protein channels, which allow molecules to pass through them if they're too large to fit through the aquaporins (making diffusion an incorrect answer.) We can eliminate active transport since ATP isn't used to control transport, and we can eliminate endocytosis as it is a form of active transport. The remaining answer would be facilitated transport, which is a form of passive transport. Hope this helps! :)

The coyote (canis latrans) is found across North America which makes it a specialist species.
true or false

Answers

The coyote (canis latrans) is found across North America which makes it a specialist species. Its false

its super False broooooo

Most of the pollution that causes acid precipitation to fall in southeastern Canada is released from __________.

central Canada
Mexico
the midwestern and eastern United States
the southern United States

Answers

The answer is C, the midwestern and eastern United States

Where do most earthquakes originate?
1) within Earth's core
2) along specific belts within the crust
3) randomly across the entire Earth's surface evenly spaced along the Moho interface

Answers

2) along specific belts within the crust
The best and most correct answer among the choices provided by your question is the second choice or number 2.

Most earthquakes originate along specific belts within the crust.

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Select the FALSE statement below about the structure of myoglobin.

a. The O2-binding pocket of myoglobin contains several nonpolar amino acid sidechains that can interact favorably with a nonpolar molecule of O2.

b. The polypeptide of myoglobin provides a pocket for O2 to fit, and stabilizes the bound O2 via hydrogen bonding with the distal His.

c. The polypeptide of myoglobin protects the heme iron from oxidation.

d. The active site of deoxy myoglobin is 5-coordinate with a histidine occupying one axial position while the other axial position is left open for oxygen binding.

e. Myoglobin has a single polypeptide chain so it has 1o, 2o, 3o and 4o structure.

Answers

The answer is e. Myoglobin has a single polypeptide chain so it has 1o, 2o, 3o and 4o structure.

Myoglobin is an iron and an oxygen binding protein. It has a single polypeptide chain. Proteins with the single polypeptide chain cannot have quaternary (4o) structure. 4o structure of proteins includes an arrangement of multiple folded polypeptide chains (subunits) in a multi-subunit complex. Therefore myoglobin cannot have 4o structure as the single chain polypeptide. All other choices are correct.

Tsunamis are caused by _______. a. underwater volcanoes b. El Niño c. underwater earthquakes d. global warming

Answers

Tsunamis are caused by "Underwater Earthquakes" 

So, Option C is your answer! Hope this helps!
C is the correct answer

Ashley is taking a science course in college. she has conducted an experiment and needs to submit the results to her professor. ashley should write a _____. newsletter business report business letter research paper

Answers

research paper to describe her findings

Answer: research paper

Explanation:

A research paper is a written document which is generated by conducting surveys, and experiments. These are subjected to rejection on the basis of implementation of incorrect scientific methodology and incorrect data.

On the basis of the above description, research paper is the correct option. As it is mentioned that it is the outcome of experiments.

What is combustion and how does ir affect the carbon cycle?

Answers

Combustion is the burning of a substance. It could be complete or could be incomplete. It changes the form of carbon and so it plays it's role in cycle
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